“Search engine optimization (SEO) is the process of improving the visibility of a website in search engines through the natural results. ” – Wiki
Web analytics can help you with market research and measuring effectiveness. A visitor analysis can tell you how many visitors came, where they came from and how long they stayed. Some analytics follow the path of a visitor surfing through your site, identifying which page seemed most influential in converting them into a buyer. A demographic profile can also be created from other social marketing connections you make as you glean information from those following you and connecting with you.